Djokovic, Federer, Berdych reach Dubai quarters
DUBAI, United Arab Emirates (AP)—Australian Open champion Novak Djokovic and Roger Federer reached the quarterfinals of the Dubai Championships in contrasting fashion on Wednesday. Djokovic struggled to overcome the inspired net play of Feliciano Lopez of Spain, winning 6-3, 2-6, 6-4. Federer had an easier time, beating Marcel Granollers of